#ifndef DES_H
#define DES_H

int IP1[] =
{
		58, 50, 42, 34, 26, 18, 10, 2,  60, 52, 44, 36, 28, 20, 12, 4,
		62, 54, 46, 38, 30, 22, 14, 6,  64, 56, 48, 40, 32, 24, 16, 8,
       	57, 49, 41, 33, 25, 17, 9,  1,  59, 51, 43, 35, 27, 19, 11, 3,
       	61, 53, 45, 37, 29, 21, 13, 5,  63, 55, 47, 39, 31, 23, 15, 7,
};

int IP2[] =
{
		40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31,
      	38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29,
       	36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27,
       	34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25
};

int s[][4][16] =
{
		{
			 {14,4,13,1,2,15,11,8,3,10,6,12,5,9,0,7},
			 {0,15,7,4,14,2,13,1,10,6,12,11,9,5,3,8},
			 {4,1,14,8,13,6,2,11,15,12,9,7,3,10,5,0},
			 {15,12,8,2,4,9,1,7,5,11,3,14,10,0,6,13}
		},
		{
			 {15,1,8,14,6,11,3,4,9,7,2,13,12,0,5,10},
			 {3,13,4,7,15,2,8,14,12,0,1,10,6,9,11,5},
			 {0,14,7,11,10,4,13,1,5,8,12,6,9,3,2,15},
			 {13,8,10,1,3,15,4,2,11,6,7,12,0,5,14,9}
		},
		{
			 {10,0,9,14,6,3,15,5,1,13,12,7,11,4,2,8},
			 {13,7,0,9,3,4,6,10,2,8,5,14,12,11,15,1},
			 {13,6,4,9,8,15,3,0,11,1,2,12,5,10,14,7},
			 {1,10,13,0,6,9,8,7,4,15,14,3,11,5,2,12}
		},
		{
			 {7,13,14,3,0,6,9,10,1,2,8,5,11,12,4,15},
			 {13,8,11,5,6,15,0,3,4,7,2,12,1,10,14,9},
			 {10,6,9,0,12,11,7,13,15,1,3,14,5,2,8,4},
			 {3,15,0,6,10,1,13,8,9,4,5,11,12,7,2,14}
		},
		{
			 {2,12,4,1,7,10,11,6,8,5,3,15,13,0,14,9},
			 {14,11,2,12,4,7,13,1,5,0,15,10,3,9,8,6},
			 {4,2,1,11,10,13,7,8,15,9,12,5,6,3,0,14},
			 {11,8,12,7,1,14,2,13,6,15,0,9,10,4,5,3}
		},
		{
			 {12,1,10,15,9,2,6,8,0,13,3,4,14,7,5,11},
			 {10,15,4,2,7,12,9,5,6,1,13,14,0,11,3,8},
			 {9,14,15,5,2,8,12,3,7,0,4,10,1,13,11,6},
			 {4,3,2,12,9,5,15,10,11,14,1,7,6,0,8,13}
		},
		{
			 {4,11,2,14,15,0,8,13,3,12,9,7,5,10,6,1},
			 {13,0,11,7,4,9,1,10,14,3,5,12,2,15,8,6},
			 {1,4,11,13,12,3,7,14,10,15,6,8,0,5,9,2},
			 {6,11,13,8,1,4,10,7,9,5,0,15,14,2,3,12}
		},
		{
			 {13,2,8,4,6,15,11,1,10,9,3,14,5,0,12,7},
			 {1,15,13,8,10,3,7,4,12,5,6,11,0,14,9,2},
			 {7,11,4,1,9,12,14,2,0,6,10,13,15,3,5,8},
			 {2,1,14,7,4,10,8,13,15,12,9,0,3,5,6,11}
		}
};

int Ex[48] =
{
		32,1,2,3,4,5,
		4,5,6,7,8,9,
		8,9,10,11,12,13,
		12,13,14,15,16,17,
		16,17,18,19,20,21,
		20,21,22,23,24,25,
		24,25,26,27,28,29,
		28,29,30,31,32,1
};

int P[32] =
{
		16,7,20,21,
		29,12,28,17,
		1,15,23,26,
		5,18,31,10,
		2,8,24,14,
		32,27,3,9,
		19,13,30,6,
		22,11,4,25
};

int PC1[56] =
{
		57,49,41,33,25,17,9,
		1,58,50,42,34,26,18,
		10,2,59,51,43,35,27,
		19,11,3,60,52,44,36,
		63,55,47,39,31,33,15,
		7,62,54,46,38,30,22,
		14,6,61,53,45,37,29,
		21,13,5,28,20,12,4
};

int PC2[48] =
{
		14,17,11,24,1,5,
		3,28,15,6,21,10,
		23,19,12,4,26,8,
		16,7,27,20,13,2,
		41,52,31,37,47,55,
		30,40,51,45,33,48,
		44,49,39,56,34,53,
		46,42,50,36,29,32
};

void Encode(int *str,int *keychar);
void keyBuild(int *keychar);
void StrtoBin(int *midkey,int *keychar);
void keyCreate(int *midkey2,int movebit,int i);
void EncodeData(int *lData,int *rData,int *srt);
void F(int *rData,int *key);
void Expand(int *rData,int *rDataP);
void ExchangeS(int *rDataP,int *rData);
void ExchangeP(int *rData);
void FillBin(int *rData,int n,int s);
void DecodeData(int *str,int *lData,int *rData);

#endif
